Home / 45,706.56-68,571.63-14,115.93

Finding the Fourth Proportional to 45,706.56, 68,571.63 and 14,115.93

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Solution

The fourth proportional to 45,706.56, 68,571.63 and 14,115.93 is: 21,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.56 : 68,571.63 = 14,115.93 : x
  2. Step 2: Convert to fraction form
    45,706.56/68,571.63 = 14,115.93/x
  3. Step 3: Cross multiply
    45,706.56x = 68,571.63 × 14,115.93
  4. Step 4: Simplify right side
    45,706.56x = 967,952,329.07
  5. Step 5: Solve for x
    x = 967,952,329.07/45,706.56
  6. Step 6: Final answer
    x = 21,177.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.